Ricoh D131 Service Manual page 634

3904 Warm Up Short Mode
Controls when corona wire cleaning is done to adjust the length of time that is
necessary for startup.
D131/D132: [0 to 2/0/1]
D133:
0: Charge corona wire not cleaned when the machine is turned on.
Warmup Time: 30 sec. (Short Process Control is done)
1: Charge corona wire cleaned only when the machine is turned on.
Warmup Time: 30 sec. + 40 sec. (for cleaning) = 70 sec. (Short Process
Control is done)
2: Normal startup procedure at power on:
Warmup Time: 240 sec. (Full process control is done)

Potential sensor calibrated

Drum starts to turn when fusing unit gets to the warmup temperature (not
done during Short Process Control)

Potential sensor readings are used to adjust development bias, grid
voltage, laser diode.

ID sensor calibrated (not done during Short Process Control)

TD sensor calibrated (not done during Short Process Control)
3905 Exclusion Time (90 cpm): Interval Setting
Sets the length of time for the machine to wait before executing process
control after the the machine recovers from the Off Mode
[0 to 24/2/1]
SM Appendix
[0 to 2/2/1]
3-59
SP3000 Processing
D131/D132/D133